Architecture

DUST Builds An Off-Grid Home in Arizona

Hidden among the native grasses and Emory oaks in Southern Arizona’s San Rafael Valley, the Caldera House by offers a modern refuge in a stunning, remote landscape 15 miles north of the US/Mexico Border. Siting is balanced between the prospect of the open range and distant mountains toward the west and refuge from those who may venture across the landscape. Proximity to the border and immigrant related foot traffic led the owner to request an impenetrable structure.

 Caldera House by DUST, Arizona

Designed by DUST, an alliance of architects, craftsmen, artists, designers, and builders that focus their practice in the master builder tradition, the house consists in a simple rectangular form of 18” mass walls constructed of poured lava-crete. The material is comprised of a mixture of pulverized lightweight red scoria, cement, and water, rammed into formwork. These walls create the structure, finish and offer insulation and thermal mass all in one stroke.

The 945 sq ft structure takes clues from a vernacular “zaguan” housing typology. The plan locates two bedrooms opposite a living room; a zaguan (passageway) runs between them. Large bi-fold doors on the ends of the zaguan connect the space to the outside, introducing natural light when open, and security when closed.

 Caldera House by DUST, Arizona

Cooling is provided by natural cross ventilation through the zaguan and window openings, while wood fuel sourced on the property provides heating. Water is from a well, while solar power is used for minimal electrical and appliance needs. A single 30-yard rolloff of waste was removed after the entire construction process.

Caldera House by DUST, Arizona

Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona Caldera House by DUST, Arizona

all images courtesy of DUST

The post DUST Builds An Off-Grid Home in Arizona appeared first on urdesignmag.

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